
body{
    text-align: center
}

.content_div_tip{
    position: absolute;
    left:50%;
    top:50%;
    transform: translate(-50%, -50%);
}

.tip_container{
    text-align: center;
}

.tip_msg_1 {
    font-size: xx-large;
    font-family: "微软雅黑";
    color: black;
}

.tip_msg_2 {
    font-size: x-large;
    font-family: "微软雅黑";
    color: black;
}

#span{
    font-size: x-large;
    font-family: "微软雅黑";
    color: blue;
}